Question: What is local dialing code of Ho Chi Minh City that has end time is 2017-7-16 ?
Paraphrase: With an end time of 2017-7-16  what is the area code for Ho Chi Minh City ?
SPARQL (Wikidata): SELECT ?obj WHERE { wd:Q1854 p:P473 ?s . ?s ps:P473 ?obj . ?s pq:P582 ?x filter(contains(YEAR(?x),'2017')) }